enc28j60_8c-source.html

avr应用测试程序

00366 <span class="comment">        // Set the MAC to the proper duplex mode</span>
00367 <span class="comment">        temp = enc28j60Read(MACON3);</span>
00368 <span class="comment">        temp &amp;= ~MACON3_FULDPX;</span>
00369 <span class="comment">        enc28j60Write(MACON3, temp);</span>
00370 <span class="comment">    }</span>
00371 <span class="comment"></span>
00372 <span class="comment">    // Set the back-to-back inter-packet gap time to IEEE specified </span>
00373 <span class="comment">    // requirements.  The meaning of the MABBIPG value changes with the duplex</span>
00374 <span class="comment">    // state, so it must be updated in this function.</span>
00375 <span class="comment">    // In full duplex, 0x15 represents 9.6us; 0x12 is 9.6us in half duplex</span>
00376 <span class="comment">    //enc28j60Write(MABBIPG, DuplexState ? 0x15 : 0x12);    </span>
00377 <span class="comment">    </span>
00378 <span class="comment">    // Reenable receive logic</span>
00379 <span class="comment">    enc28j60WriteOp(ENC28J60_BIT_FIELD_SET, ECON1, ECON1_RXEN);</span>
00380 <span class="comment"></span>
00381 <span class="comment">    // setup duplex ----------------------</span>
00382 <span class="comment">*/</span>
00383 }
00384 
<a name="l00385"></a><a class="code" href="group__enc28j60.html#ga10">00385</a> <span class="keywordtype">void</span> <a class="code" href="group__enc28j60.html#ga10">enc28j60PacketSend</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* packet)
00386 {
00387     <span class="comment">// Set the write pointer to start of transmit buffer area</span>
00388     <a class="code" href="group__enc28j60.html#ga6">enc28j60Write</a>(EWRPTL, TXSTART_INIT);
00389     <a class="code" href="group__enc28j60.html#ga6">enc28j60Write</a>(EWRPTH, TXSTART_INIT&gt;&gt;8);
00390     <span class="comment">// Set the TXND pointer to correspond to the packet size given</span>
00391     <a class="code" href="group__enc28j60.html#ga6">enc28j60Write</a>(ETXNDL, (TXSTART_INIT+len));
00392     <a class="code" href="group__enc28j60.html#ga6">enc28j60Write</a>(ETXNDH, (TXSTART_INIT+len)&gt;&gt;8);
00393 
00394     <span class="comment">// write per-packet control byte</span>
00395     <a class="code" href="group__enc28j60.html#ga1">enc28j60WriteOp</a>(ENC28J60_WRITE_BUF_MEM, 0, 0x00);
00396 
00397     <span class="comment">// copy the packet into the transmit buffer</span>
00398     <a class="code" href="group__enc28j60.html#ga3">enc28j60WriteBuffer</a>(len, packet);
00399     
00400     <span class="comment">// send the contents of the transmit buffer onto the network</span>
00401     <a class="code" href="group__enc28j60.html#ga1">enc28j60WriteOp</a>(ENC28J60_BIT_FIELD_SET, ECON1, ECON1_TXRTS);
00402 }
00403 
<a name="l00404"></a><a class="code" href="group__enc28j60.html#ga11">00404</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="group__enc28j60.html#ga11">enc28j60PacketReceive</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> maxlen, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* packet)
00405 {
00406     u16 rxstat;
00407     u16 len;
00408 
00409     <span class="comment">// check if a packet has been received and buffered</span>
00410 <span class="comment">//  if( !(enc28j60Read(EIR) &amp; EIR_PKTIF) )</span>
00411     <span class="keywordflow">if</span>( !<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(EPKTCNT) )
00412         <span class="keywordflow">return</span> 0;
00413     
00414     <span class="comment">// Make absolutely certain that any previous packet was discarded   </span>
00415     <span class="comment">//if( WasDiscarded == FALSE)</span>
00416     <span class="comment">//  MACDiscardRx();</span>
00417 
00418     <span class="comment">// Set the read pointer to the start of the received packet</span>
00419     <a class="code" href="group__enc28j60.html#ga6">enc28j60Write</a>(ERDPTL, (NextPacketPtr));
00420     <a class="code" href="group__enc28j60.html#ga6">enc28j60Write</a>(ERDPTH, (NextPacketPtr)&gt;&gt;8);
00421     <span class="comment">// read the next packet pointer</span>
00422     NextPacketPtr  = <a class="code" href="group__enc28j60.html#ga0">enc28j60ReadOp</a>(ENC28J60_READ_BUF_MEM, 0);
00423     NextPacketPtr |= <a class="code" href="group__enc28j60.html#ga0">enc28j60ReadOp</a>(ENC28J60_READ_BUF_MEM, 0)&lt;&lt;8;
00424     <span class="comment">// read the packet length</span>
00425     len  = <a class="code" href="group__enc28j60.html#ga0">enc28j60ReadOp</a>(ENC28J60_READ_BUF_MEM, 0);
00426     len |= <a class="code" href="group__enc28j60.html#ga0">enc28j60ReadOp</a>(ENC28J60_READ_BUF_MEM, 0)&lt;&lt;8;
00427     <span class="comment">// read the receive status</span>
00428     rxstat  = <a class="code" href="group__enc28j60.html#ga0">enc28j60ReadOp</a>(ENC28J60_READ_BUF_MEM, 0);
00429     rxstat |= <a class="code" href="group__enc28j60.html#ga0">enc28j60ReadOp</a>(ENC28J60_READ_BUF_MEM, 0)&lt;&lt;8;
00430 
00431     <span class="comment">// limit retrieve length</span>
00432     <span class="comment">// (we reduce the MAC-reported length by 4 to remove the CRC)</span>
00433     len = MIN(len, maxlen);
00434 
00435     <span class="comment">// copy the packet from the receive buffer</span>
00436     <a class="code" href="group__enc28j60.html#ga2">enc28j60ReadBuffer</a>(len, packet);
00437 
00438     <span class="comment">// Move the RX read pointer to the start of the next received packet</span>
00439     <span class="comment">// This frees the memory we just read out</span>
00440     <a class="code" href="group__enc28j60.html#ga6">enc28j60Write</a>(ERXRDPTL, (NextPacketPtr));
00441     <a class="code" href="group__enc28j60.html#ga6">enc28j60Write</a>(ERXRDPTH, (NextPacketPtr)&gt;&gt;8);
00442 
00443     <span class="comment">// decrement the packet counter indicate we are done with this packet</span>
00444     <a class="code" href="group__enc28j60.html#ga1">enc28j60WriteOp</a>(ENC28J60_BIT_FIELD_SET, ECON2, ECON2_PKTDEC);
00445 
00446     <span class="keywordflow">return</span> len;
00447 }
00448 
<a name="l00449"></a><a class="code" href="group__enc28j60.html#ga12">00449</a> <span class="keywordtype">void</span> <a class="code" href="group__enc28j60.html#ga12">enc28j60ReceiveOverflowRecover</a>(<span class="keywordtype">void</span>)
00450 {
00451     <span class="comment">// receive buffer overflow handling procedure</span>
00452 
00453     <span class="comment">// recovery completed</span>
00454 }
00455 
<a name="l00456"></a><a class="code" href="group__enc28j60.html#ga13">00456</a> <span class="keywordtype">void</span> <a class="code" href="group__enc28j60.html#ga13">enc28j60RegDump</a>(<span class="keywordtype">void</span>)
00457 {
00458 <span class="comment">//  unsigned char macaddr[6];</span>
00459 <span class="comment">//  result = ax88796Read(TR);</span>
00460     
00461 <span class="comment">//  rprintf("Media State: ");</span>
00462 <span class="comment">//  if(!(result &amp; AUTOD))</span>
00463 <span class="comment">//      rprintf("Autonegotiation\r\n");</span>
00464 <span class="comment">//  else if(result &amp; RST_B)</span>
00465 <span class="comment">//      rprintf("PHY in Reset   \r\n");</span>
00466 <span class="comment">//  else if(!(result &amp; RST_10B))</span>
00467 <span class="comment">//      rprintf("10BASE-T       \r\n");</span>
00468 <span class="comment">//  else if(!(result &amp; RST_TXB))</span>
00469 <span class="comment">//      rprintf("100BASE-T      \r\n");</span>
00470                 
00471     rprintf(<span class="stringliteral">"RevID: 0x%x\r\n"</span>, <a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(EREVID));
00472 
00473     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"Cntrl: ECON1 ECON2 ESTAT  EIR  EIE\r\n"</span>);
00474     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"         "</span>);
00475     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ECON1));
00476     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"    "</span>);
00477     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ECON2));
00478     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"    "</span>);
00479     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ESTAT));
00480     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"    "</span>);
00481     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(EIR));
00482     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"   "</span>);
00483     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(EIE));
00484     <a class="code" href="group__rprintf.html#ga5">rprintfCRLF</a>();
00485 
00486     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"MAC  : MACON1  MACON2  MACON3  MACON4  MAC-Address\r\n"</span>);
00487     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"        0x"</span>);
00488     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MACON1));
00489     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"    0x"</span>);
00490     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MACON2));
00491     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"    0x"</span>);
00492     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MACON3));
00493     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"    0x"</span>);
00494     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MACON4));
00495     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"   "</span>);
00496     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAADR5));
00497     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAADR4));
00498     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAADR3));
00499     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAADR2));
00500     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAADR1));
00501     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAADR0));
00502     <a class="code" href="group__rprintf.html#ga5">rprintfCRLF</a>();
00503 
00504     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"Rx   : ERXST  ERXND  ERXWRPT ERXRDPT ERXFCON EPKTCNT MAMXFL\r\n"</span>);
00505     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"       0x"</span>);
00506     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXSTH));
00507     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXSTL));
00508     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">" 0x"</span>);
00509     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXNDH));
00510     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXNDL));
00511     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"  0x"</span>);
00512     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXWRPTH));
00513     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXWRPTL));
00514     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"  0x"</span>);
00515     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXRDPTH));
00516     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXRDPTL));
00517     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"   0x"</span>);
00518     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ERXFCON));
00519     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"    0x"</span>);
00520     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(EPKTCNT));
00521     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"  0x"</span>);
00522     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAMXFLH));
00523     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAMXFLL));
00524     <a class="code" href="group__rprintf.html#ga5">rprintfCRLF</a>();
00525 
00526     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"Tx   : ETXST  ETXND  MACLCON1 MACLCON2 MAPHSUP\r\n"</span>);
00527     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"       0x"</span>);
00528     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ETXSTH));
00529     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ETXSTL));
00530     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">" 0x"</span>);
00531     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ETXNDH));
00532     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(ETXNDL));
00533     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"   0x"</span>);
00534     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MACLCON1));
00535     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"     0x"</span>);
00536     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MACLCON2));
00537     <a class="code" href="group__rprintf.html#ga15">rprintfProgStrM</a>(<span class="stringliteral">"     0x"</span>);
00538     <a class="code" href="group__rprintf.html#ga7">rprintfu08</a>(<a class="code" href="group__enc28j60.html#ga5">enc28j60Read</a>(MAPHSUP));
00539     <a class="code" href="group__rprintf.html#ga5">rprintfCRLF</a>();
00540 
00541     delay_ms(25);
00542 }
00543 
00544 
00545 
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